3377565

Information

• Patent Grant
• 3377565

• References
• Source

• Patent Number

  3,377,565

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1968
  57 years ago

• CPC

  • H01F21/04 - by relative movement of turns or parts of windings
  • H03B5/1835 - the active element in the amplifier being a vacuum tube
  • H03H2/006 - Transmitter or amplifier output circuits
  • H05B6/04 - Sources of current
  • H05B6/48 - Circuits

• US Classifications

  • 331 - Oscillators
  • 219 - Electric heating
  • 336 - Inductor devices